Mason City Micro Area Zip Code and Maps
Mason City Area has 18 zip codes. See all zip codes in List View or use the map below to review.
Mason City Area Zip Codes by Population
50401, IA 29,32150428, IA 9,25550459, IA 2,79550456, IA 1,81550469, IA 1,56350482, IA 87950448, IA 73050464, IA 66750446, IA 59750440, IA 54050479, IA 54050434, IA 40150477, IA 37750444, IA 37550457, IA 34250433, IA 23450467, IA 8650402, IA